Weather forecast accuracy details for Harlingen, Texas

These are the one- to three-day out accuracy percentages for high temperature, low temperature, icon forecast precipitation (both rain and snow), and text forecast precipitation (both rain and snow). Temperature accuracy is the percentage of forecasts within three degrees. Precipitation accuracy is the percentage of correct forecasts. The forecasts are collected in the evening.

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Weather Forecast Accuracy Data Last Month (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   91.40% 78.49% 88.17% 88.17% 86.56%
Weather Underground   90.32% 80.65% 86.02% 86.02% 85.75%
Foreca/Vaisala   89.25% 78.49% 86.02% 86.02% 84.95%
NWS Digital Forecast   88.17% 74.19% 84.95% 84.95% 83.06%
AerisWeather   85.56% 75.56% 83.33% 83.33% 81.94%
AccuWeather   90.00% 73.33% 81.11% 81.11% 81.39%
Dark Sky   63.44% 78.49% 90.32% 90.32% 80.65%
Weather News   86.02% 62.37% 87.10% 87.10% 80.65%
OpenWeather   87.10% 47.31% 83.87% 83.87% 75.54%
Wetter   91.40% 30.11% 88.17% 88.17% 74.46%
Weatherbit   66.67% 39.78% 91.40% 91.40% 72.31%
World Weather Online   52.69% 33.33% 75.27% 75.27% 59.14%
Persistence   48.44% 19.12% 70.31% 70.31% 52.05%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Foreca/Vaisala   79.59% 81.26% 86.50% 86.61% 83.49%
Weather Underground   83.01% 81.07% 84.86% 84.86% 83.45%
The Weather Channel   83.01% 80.70% 85.04% 85.04% 83.45%
AccuWeather   82.91% 79.27% 86.06% 78.15% 81.60%
Dark Sky   67.41% 71.75% 88.73% 88.73% 79.16%
Weather News   74.52% 69.71% 83.93% 83.93% 78.02%
AerisWeather   82.50% 73.80% 77.31% 77.31% 77.73%
NWS Digital Forecast   82.62% 74.30% 73.81% 73.81% 76.13%
Wetter   70.91% 41.46% 88.00% 88.00% 72.09%
Weatherbit   55.19% 48.93% 87.09% 87.09% 69.58%
OpenWeather   70.45% 42.75% 75.81% 75.81% 66.20%
World Weather Online   61.87% 41.27% 70.82% 70.82% 61.20%
Persistence   48.48% 38.12% 63.82% 63.82% 53.56%

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The data here is calculated from forecasts and observations collected and analyzed by ForecastWatch. If you would like more information about the methods, scientific approach, and the quality controls employed to ensure the data and analyses are of the highest quality, please read this overview.

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